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Piaget Altiplano 900P is World’s Thinnest Mechanical Watch

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Swiss watchmaker Piaget has been known for creating gorgeous watches since their humble beginnings in 1874. However, in 1957 the company had a rather large breakthrough that came in a very small shape.

They discovered how to create incredibly thin movements, with the first watch featuring these new movements measuring just 2.3 mm thick- the world’s thinnest watch at the time. Now, Piaget has unveiled the world’s thinnest mechanical watch, the Altiplano 900P.

This watch’s case measures just 3.65 mm, a great feat for a one with mechanical movement. It has beaten out the previous “world’s thinnest watch,” Jaeger-LeCoultre’s Master Ultra-Thin Jubilee, which came in at 4.05 mm.


Creating such a thin watch was done by combining the movement, which contains 145 hand-assembled components, and case into one single unit, meaning that they cannot be separated. Another unique solution to creating such a thin watch was making the caseback a part of the movement itself.

Wrapping the 30 mm diameter case around your wrist is a black alligator strap that, complete with a white gold buckle and pin.

The price for this watch will be somewhere between $20,000 and $30,000. For more details, visit

(Source: Piaget)